Dental handpiece



FIG. 1 is a front elevation of a dental handpiece showing my new design;

FIG. 2 is a rear elevation thereof;

FIG. 3 is a right side elevation thereof;

FIG. 4 is a left side elevation thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is another right side elevation thereof shown on an enlarged scale, in fragment and taken along A-A in FIG. 3;

FIG. 8 is a perspective view thereof taken from the upper left side of FIG. 1; and,

FIG. 9 is a perspective view thereof taken from the upper right side of FIG. 1. 

The ornamental design for dental handpiece, as shown and described. 